tools/bpftool: Remove warning about PID iterator support

anakryiko · Alexei Starovoitov · commit 93776cb9ee91 · 2020-07-13T15:41:05.000-07:00
Don't emit warning that bpftool was built without PID iterator support. This error garbles JSON output of otherwise perfectly valid show commands. Reported-by: Andrey Ignatov <rdna@fb.com> Signed-off-by: Andrii Nakryiko <andriin@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20200710232605.20918-1-andriin@fb.com
diff --git a/tools/bpf/bpftool/pids.c b/tools/bpf/bpftool/pids.c
@@ -15,7 +15,6 @@
 
 int build_obj_refs_table(struct obj_refs_table *table, enum bpf_obj_type type)
 {
-	p_err("bpftool built without PID iterator support");
 	return -ENOTSUP;
 }
 void delete_obj_refs_table(struct obj_refs_table *table) {}

Original file line number	Diff line number	Diff line change
`@@ -15,7 +15,6 @@`
`15`	`15`
`16`	`16`	`int build_obj_refs_table(struct obj_refs_table *table, enum bpf_obj_type type)`
`17`	`17`	`{`
`18`		`- p_err("bpftool built without PID iterator support");`
`19`	`18`	`return -ENOTSUP;`
`20`	`19`	`}`
`21`	`20`	`void delete_obj_refs_table(struct obj_refs_table *table) {}`